package com.zHan.mapper;

import com.zHan.pojo.Article;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * ClassName: ArticleMapper
 * Description:
 * date: 2023/11/9 0009 19:34
 *
 * @author zHan
 */
@Mapper
public interface ArticleMapper {

    /**
     * 新增文章
     *
     * @param article
     */
    @Insert("insert into article(title,content,cover_img,state,category_id,create_user," +
            "create_time,update_time) values(#{title},#{content},#{coverImg},#{state}," +
            "#{categoryId},#{createUser},#{createTime},#{updateTime})")
    void insert(Article article);

    /**
     * 文章列表
     *
     * @param userId
     * @param categoryId
     * @param state
     * @return
     */
    List<Article> list(Integer userId, Integer categoryId, String state);

    /**
     * 根据id获取文章
     *
     * @param id
     * @return
     */
    @Select("select * from article where id=#{id}")
    Article selectById(Integer id);

    /**
     * 更新文章
     *
     * @param article
     */
    @Update("update article set title=#{title},content=#{content},cover_img=#{coverImg}," +
            "state=#{state},category_id=#{categoryId},update_time=now() where id=#{id}")
    void update(Article article);

    /**
     * 删除文章
     *
     * @param id
     */
    @Delete("delete from article where id=#{id}")
    void delete(Integer id);
}
